Physicians call morning time "the witching hour" for heart attacks because the mornings are when most people suffer a hear attack. In the morning, stress hormones, such as cortisol peak. Additionally, blood is thicker and harder to pump because a person is partially dehydrated. - Provided by RandomHistory.com

7/2/14

The combination of collagen and minerals makes bone one of the strongest and most flexible natural materials on earth. One cubic inch of bone can withstand loads of up to 20,000 pounds, over four times the strength of concrete. - Provided by RandomHistory.com

7/3/14

Unlike most other fish, the ocean sunfish does not have a tail. A female sunfish can lay 300 million eggs each year. Each egg is smaller than the period at the end of a sentence. - Provided by RandomHistory.com

7/4/14

In July 1776, there were an estimated 2.5 million people living in the newly independent nation. The nation's estimated population on this July Fourth is 318.4 million. - Provided by U.S. and World Population Clock

To defend the Great Wall, the Chinese would use sophisticated weapons such as axes, sledge hammers, lances, crossbows, halberds, and a Chinese invention: gunpowder. - Provided by RandomHistory.com

7/7/14

People with poor oral health may be more likely to have atherosclerosis (clogged arteries) because the bacteria in the gums and teeth can enter the bloodstream and affect blood clotting. - Provided by RandomHistory.com

More than a million Indians are millionaires, yet most Indians live on less than two dollars a day. An estimated 35% of India's population lives below the poverty line. - Provided by RandomHistory.com

7/10/14

In 1995, Hiroyoki Gotu memorized 42,195 places of pi and is considered the current pi champion. Some scholars speculate that Japanese is better suited than other languages for memorizing sequences of numbers. - Provided by RandomHistory.com

7/11/14

Breast cancer in men is rare, accounting for approximately 1% of breast cancer rates in the U.S. Nearly 400 men die of breast cancer each year. African American men are more likely to die from breast cancer than white men. - Provided by RandomHistory.com

7/12/14

Until sometime during the sixteenth century, Chinese society expected prominent political figures to seek dream guidance periodically to maintain balance and objectivity. - Provided by RandomHistory.com

7/13/14

Approximately 90% of people with Type 2 diabetes are obese. - Provided by RandomHistory.com

7/14/14

Statistics suggest that approximately one in every five Americans has indulged in sex with a colleague at work. - Provided by RandomHistory.com

7/15/14

Stress makes the blood "stickier," in preparation for an injury. Such a reaction, however, also increases the probability of developing a blood clot. - Provided by RandomHistory.com

7/16/14

In the United States, over 3,000 deaths per year from lung cancer in nonsmokers are due to secondhand smoke. - Provided by RandomHistory.com

7/17/14

Globally, 15 million children under the age of five die each year because of diseases caused by drinking water. - Provided by RandomHistory.com

7/18/14

There were over 35 million civilian and soldier casualties in WWI. Over 15 million died and 20 million were wounded. - Provided by RandomHistory.com

A study from three states suggests that counties with higher precipitation levels have higher autism rates. Higher precipitation rates might carry more pollutants, decreased vitamin D levels, and increased television watching that could trigger autism. - Provided by RandomHistory.com

7/21/14

The most important holiday in China is the Chinese New Year or Lunar New Year. The Chinese traditionally believe that every person turns one year older on the New Year and, thus, that day is considered to be everyone's birthday. - Provided by RandomHistory.com

7/22/14

Iran controls 50% of the Caspian Sea caviar market. The eggs of the Caspian beluga sturgeon can fetch up to $160 per ounce. The beluga sturgeon was swimming in lakes at the time of the dinosaurs - but the sturgeon, which can live to be 100 years old, are rapidly disappearing. Environmentalists argue that a full ban on caviar would help the ancient creature. - Provided by RandomHistory.com

7/23/14

Although cacao originated in Central and South America more than 4,000 years ago, now approximately 70% of the world's cacao is grown in Africa. Cote d'lvoire is the single largest producer of cocoa, providing roughly 40% of the world's supply. - Provided by RandomHistory.com

7/24/14

The number of reported cases of bulimia in females ages 10-39 tripled between 1988 and 1993. - Provided by RandomHistory.com

7/25/14

A fish can drown in water. Like humans, fish need oxygen, so if there isn't enough oxygen in the water, they will suffocate. - Provided by RandomHistory.com

7/26/14

Native Australians believed that the oceans are made from the urine of an angry god who tried to drown the world. - Provided by RandomHistory.com

7/27/14

The ancient Greek Acropolis is believed to have crumbled more in the last 40 years than it has in the previous 2,500 due to acid rain. Nearly 40% of China's land area is affected by acid rain, and by 1984 half of the trees in Germany's Black Forest were damaged by acid rain. - Provided by RandomHistory.com

7/28/14

Up until the twentieth century, women who wanted to "swim" in the ocean could merely jump through the waves holding a rope attached to a buoy because their swimwear often weighed over 22 pounds. By 1915, women athletes began viewing swimming as a sport and, consequently, swimsuit fabric started to shrink. - Provided by RandomHistory.com

7/29/14

Researchers note that bullying escalates in the later years of elementary school, peaks in middle school, and then dissipates by high school. They also note that 6th grade is the worst year for bullying. - Provided by RandomHistory.com

7/30/14

The first American woman to win the Nobel Prize was Pearl S. Buck (1892-1973) for her novels about China, most notably The Good Earth (1931). Amy Tan (1952-) is a best-selling Chinese-American author of The Joy Luck Club. - Provided by RandomHistory.com

7/31/14

It costs approximately $10,000 to train a federally certified search and rescue dog. - Provided by RandomHistory.com